1.   And, you could fill them with hydraulic cement.

2.   A. Here is one place that a plug of hydraulic cement should work on the inside.

3.   After pressing in the hydraulic cement or mortar, cover the cracks with thick, wet newspapers and keep them wet for several days.

4.   Fill it with hydraulic cement, which expands as it sets to fit tightly in the hole.

5.   Fill wet cracks with hydraulic cement.

6.   Fill with hydraulic cement.

7.   For the crack above grade, filling it with hydraulic cement will be cosmetic.

8.   Hydraulic cement is a putty-like material that can be used to plug a leak.

9.   I filled the crack with hydraulic cement some time ago, but now this cement has started to crack out so that water is coming in again.

10.   I plan to undercut those pins with a reverse V joint and fill the undercut with hydraulic cement, creating a keyed-in plug in the foundation.